We know that Speed = \(\frac{\text{Distance}}{\text{Time}}\)
Speed of Hamid \(= \frac{9m}{1h} \)
= 9km/h
and speed of Akhtar\( =\frac{ 12m}{1h} \)
= 12km/h
Ratio of speed of Hamid to that of speed of Akhtar = \(\frac{9}{12} \)
\(= \frac{3}{4} \)
\(= 3:4\)
A shopkeeper sells an item at a 20 % discount on the marked price and still makes a 25 % profit. If the marked price is 500 rupees, what is the cost price of the item?
Column I shows different positions in which one pole of a magnet is placed near that of the other. Column II indicates the resulting action between them for each situation. Fill in the blanks.
Column I | Column II |
N-______ | _________ |
N-________ | Attraction |
S-N | |
________-S | Repulsion |
Draw:
1) a leaf
2) a taproot and
3) a flower,
you have studied for Table 4.3